US Open: ژنگ در بازگشت 5-0; Gauff، Rybakina، Zverev نیز در یک چهارم

US Open: Zheng in 5-0 comeback; Gauff, Rybakina, Zverev also in quarters

Zheng Qinwen beats Iga Swiatek; Coco Gauff, Elena Rybakina also reach quarterfinals. Alexander Zverev through in men's.